¬Peningkatan Pemahaman Konsep Tekanan Hidrostatis dan Hukum Archimedes Siswa SMP¬ melalui Pembelajaran Discovery

This study aims to increase the students\u27 comprehension of the concept of hydrostatic pressure and the law of Archimedes through discovery learning. The subjects of the study were VIII-A SMPK Citra Bangsa Kupang, Province of East Nusa Tenggara in the academic year 2016/2017. The data of this study consisted of quantitative and qualitative data. The instruments used in the study were pretest and posttest in the form of reasoned multiple choice. The result of data analysis of concept comprehension showed that the posttest average score was 83.33 and it was greater than the pretest score that achieved 46.66. The calculation of d-effect size was 2.73 (very high category) and N-gain was 0.69 (medium category). Thus, it is concluded that the discovery learning model has a positive impact on the improvement of concept comprehension.Penelitian ini bertujuan meningkatkan pemahaman konsep tekanan hidrostatis dan hokum Archimedes siswa melalui pembelajaran discovery. Subjek penelitian adalah siswa kelas VIIIA SMPK Citra Bangsa Kupang, Provinsi Nusa Tenggara Timur tahun pelajaran 2016/2017. Data penelitian terdiri atas data kuantitatif dan kualitatif. Instrumen yang digunakan dalam penelitian yaitu pretes dan postes dalam bentuk pilihan ganda beralasan. Hasil analisis data pemahaman konsep menunjukkan bahwa skor rata-rata postes 83,33 lebih besar daripada skor rata-rata pretes 46,66. Perhitungan d-effect size sebesar 2,73 (kategori sangat tinggi) dan N-gain sebesar 0,69 (kategori sedang). Maka, disimpulkan bahwa model discovery learning memberikan dampak positif terhadap peningkatan pemahaman konsep

Ovarian Teratoid Carcinosarcoma Is an Aggressive Tumor of Probable Mullerian Derivation with a Carcinosarcomatous and Mixed Germ-Cell Morphology

Ovarian carcinosarcoma is also referred to as malignant mixed Mullerian tumor (MMMT). It is a rare neoplasm, and although it represents less than 5% of malignant ovarian tumors, it remains generally well-known among clinicians and pathologists. Rarer yet is ovarian teratoid carcinosarcoma, defined as carcinosarcoma with the added feature of immature neuroectodermal tissue, with or without elements of primitive germ cell tumor. To our knowledge, six ovarian teratoid carcinosarcomas have been reported in the literature [Matsuura et al. J Obstet Gynaecol Res. 2010 Aug; 36(4): 907–11]. These tumors resemble nasopharyngeal tumors of the same name. We report a 55-year-old woman seen at Orlando Health’s division of gynecological oncology whose pathology showed ovarian teratoid carcinosarcoma, and present what we believe to be a seventh report of this entity

Technique and diagnostic utility of saline infusion sonohysterography

The introduction of saline infusion sonohysterography has significantly improved sonographic diagnosis of various endometrial pathologies. This procedure entails instillation of warm saline into the uterine cavity transcervically to provide enhanced visualization of the endometrium during transvaginal ultrasound examination. This article reviews the sonohysterography technique and current utility, as well as the spectrum of imaging features of various endometrial pathologies.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/135202/1/ijgo5.pd